public class Bank {
   private int money;
   public void income(int in,int out) throws BankException {
      if(in<=0||out>=0||in+out<=0) {
         throw new BankException(in,out); //方法抛出异常，导致方法结束
      }
      int netIncome = in+out;
      System.out.printf("本次计算出的纯收入是:%d元\n",netIncome);
      money = money+netIncome;
   }
   public int getMoney() {
      return money;
   }
}
